#4081CB#4081CB

#4081CB is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.132 H 253.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4081CB
RGB	rgb(64, 129, 203)
HSL	hsl(212, 57%, 52%)
HSV	hsv(212, 68%, 80%)
CMYK	cmyk(68.5%, 36.5%, 0%, 20.4%)
CIE-LAB	lab(53.06, 3.35, -44.42)
CIE-LCH	lch(53.06, 44.54, 274.32°)
OKLab	oklab(59.57% -0.0376 -0.1262)
OKLCH	oklch(59.57% 0.132 253.4)
XYZ	xyz(20.7401, 21.1001, 59.4680)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4081CB #CB8A40

analogous

#40C7CB #4081CB #4440CB

triadic

#4081CB #CB4081 #81CB40

tetradic

#4081CB #CB40C7 #CB8A40 #40CB44

square

#4081CB #CB40C7 #CB8A40 #40CB44

split-complementary

#4081CB #CB4440 #C7CB40

monochromatic

#1F4672 #2C63A2 #4081CB #70A1D8 #A0C0E5

Accessibility & contrast

On white

4.02

#4081CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#4081CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081CB

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4081CB	#FFFFFF	#000000	##000000
##4081CB	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CE

Deuteranopia (green-blind)

#4C79CA

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4081cb;
/* rgb */ color: rgb(64, 129, 203);
/* oklch */ color: oklch(59.6% 0.132 253.4);

Tailwind

colors: {
  custom: {
    50: '#84a5db',
    500: '#4081cb',
    950: '#000000',
  },
}

SCSS

$custom: #4081cb;
$custom-light: #84a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#4081cb",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 203
  },
  "hsl": {
    "h": 211.942,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59568,
    "c": 0.13172,
    "h": 253.4
  },
  "luminance": 0.21102
}

Semantic roles & 50–950 ramp

primary

#4081CB

secondary

#D2B595

accent

#9947E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4081CB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →